Fokko commented on code in PR #61:
URL: https://github.com/apache/iceberg-python/pull/61#discussion_r1383296211
##########
pyiceberg/table/snapshots.py:
##########
@@ -116,3 +144,202 @@ class MetadataLogEntry(IcebergBaseModel):
class SnapshotLogEntry(IcebergBaseModel):
snapshot_id: int = Field(alias="snapshot-id")
timestamp_ms: int = Field(alias="timestamp-ms")
+
+
+class SnapshotSummaryCollector:
+ added_size: int
+ removed_size: int
+ added_files: int
+ removed_files: int
+ added_eq_delete_files: int
+ removed_eq_delete_files: int
+ added_pos_delete_files: int
+ removed_pos_delete_files: int
+ added_delete_files: int
+ removed_delete_files: int
+ added_records: int
+ deleted_records: int
+ added_pos_deletes: int
+ removed_pos_deletes: int
+ added_eq_deletes: int
+ removed_eq_deletes: int
+
+ def __init__(self) -> None:
+ self.added_size = 0
+ self.removed_size = 0
+ self.added_files = 0
+ self.removed_files = 0
+ self.added_eq_delete_files = 0
+ self.removed_eq_delete_files = 0
+ self.added_pos_delete_files = 0
+ self.removed_pos_delete_files = 0
+ self.added_delete_files = 0
+ self.removed_delete_files = 0
+ self.added_records = 0
+ self.deleted_records = 0
+ self.added_pos_deletes = 0
+ self.removed_pos_deletes = 0
+ self.added_eq_deletes = 0
+ self.removed_eq_deletes = 0
+
+ def add_file(self, data_file: DataFile) -> None:
+ self.added_size += data_file.file_size_in_bytes
+
+ if data_file.content == DataFileContent.DATA:
+ self.added_files += 1
+ self.added_records += data_file.record_count
+ elif data_file.content == DataFileContent.POSITION_DELETES:
+ self.added_delete_files += 1
+ self.added_pos_delete_files += 1
+ self.added_pos_deletes += data_file.record_count
+ elif data_file.content == DataFileContent.EQUALITY_DELETES:
+ self.added_delete_files += 1
+ self.added_eq_delete_files += 1
+ self.added_eq_deletes += data_file.record_count
+ else:
+ raise ValueError(f"Unknown data file content: {data_file.content}")
+
+ def removed_file(self, data_file: DataFile) -> None:
+ self.removed_size += data_file.file_size_in_bytes
+
+ if data_file.content == DataFileContent.DATA:
+ self.removed_files += 1
+ self.deleted_records += data_file.record_count
+ elif data_file.content == DataFileContent.POSITION_DELETES:
+ self.removed_delete_files += 1
+ self.removed_pos_delete_files += 1
+ self.removed_pos_deletes += data_file.record_count
+ elif data_file.content == DataFileContent.EQUALITY_DELETES:
+ self.removed_delete_files += 1
+ self.removed_eq_delete_files += 1
+ self.removed_eq_deletes += data_file.record_count
+ else:
+ raise ValueError(f"Unknown data file content: {data_file.content}")
+
+ def added_manifest(self, manifest: ManifestFile) -> None:
Review Comment:
When you append to a table, we'll append the existing manifests:
https://github.com/apache/iceberg-python/pull/41/files#diff-23e8153e0fd497a9212215bd2067068f3b56fa071770c7ef326db3d3d03cee9bR1811-R1821
Any concerns?
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